I got one for about 6 years, it hasn't grown much. 
Doesn't bother anything, mostly comes out for feedings, very shy fish. 
I found this to be almost bullet proof fish. 
Highly recommended. 
		
	
		
		
		
		
			
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				Denis
 
150g SPS reef;3x250WHQI,Tunze Streams,Wavebox,Neptune Apex,fishroom in basement   ,reefing since 93,SPS since 99.
 TOTM June 2010
			 
		
		
		
		
	
		
		
	
	
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